shareholders ($4.5 trillion). In 1991-1999 it created value ($5.1 trillion), but in 2000-2010 it destroyed $9.6 trillion. The market value of the S&P 500 was $2.8 trillion in 1991 and $11.4 trillion in 2010. We also calculate the created shareholder value of the 500 companies during the 18-year...

This paper presents a model to assess the efficiency of the capital structure in public-private partnerships (PPP). A main argument supporting the PPP approach to investment projects is the transfer of managerial skills and know-how from the private partner to the investment vehicle. The paper...

Opportunism, either governmental or private, may become a powerful deterrent against public-private project financing, especially considering the scale of the investment in infrastructure. The parties can secure themselves against counterparty opportunism by assigning the investor an exit (put)...

En este documento se analizan dos empresas con actividades muy similares: Boston Chicken, una cadena de más de 1.700 restaurantes especializados en comida casera, y TelePizza, una cadena de más de 700 pizzerías. Ambas crecieron mucho en la década de los noventa y tuvieron un período de...

We compute the correlations of the annual stock returns (1989-2008) of the Dow Jones companies with a) Rm; and with b) Rm; and find that the second correlation (assuming beta = 1 for all companies) is higher than the first one, on average, and for all companies except Caterpillar and General...

Using proprietary data on equity lending supply, loan fees and quantities, we examine the link between institutional ownership structure and the market for equity lending and stock prices. We find that both total institutional ownership and ownership concentration (measured by the Herfindahl...

This paper analyzes the performance consequences of employee stock options for a broad sample of firms during the period 1996-1999. Our tests are performed separately for the top 5 executives and all other employees. We estimate the expected level of option incentives based on each firm's...

En este documento se analiza la evolución del IBEX y de las 72 empresas españolas que cotizaron en bolsa (en el mercado continuo) desde diciembre de 1992 hasta diciembre de 2005. Los apartados del documento son: 1. El IBEX 35. Rentabilidad y creación de valor para los accionistas. 2. Nivel...

I review 100 finance and valuation textbooks published between 1979 and 2008 by authors such as Brealey and Myers, Copeland, Damodaran, Merton, Ross, Bruner, Bodie, Penman, Weston, Brigham and Arzac and find that their recommendations regarding the equity premium range from 3% to 10%. I also...

En este documento se resalta que el término "prima de riesgo de mercado" (market risk premium) se utiliza para definir tres conceptos distintos: a) la rentabilidad incremental que un inversor exige a las acciones por encima de la renta fija sin riesgo (prima de riesgo del mercado, required...